Pith Number

pith:XYZJ4454

pith:2015:XYZJ4454ER5DFS3RXXYFQ7UBLB

not attested not anchored not stored refs pending

Quark and Glue Components of the Proton Spin from Lattice Calculation

Keh-Fei Liu

arxiv:1504.06601 v2 · 2015-04-24 · hep-ph · hep-lat · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYZJ4454ER5DFS3RXXYFQ7UBLB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:18:33.845221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be329e73bc247a32cb71bdf0587e815844fa3bdbd6ddd95102c5a2c6aeb89473

Aliases

arxiv: 1504.06601 · arxiv_version: 1504.06601v2 · doi: 10.48550/arxiv.1504.06601 · pith_short_12: XYZJ4454ER5D · pith_short_16: XYZJ4454ER5DFS3R · pith_short_8: XYZJ4454

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XYZJ4454ER5DFS3RXXYFQ7UBLB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: be329e73bc247a32cb71bdf0587e815844fa3bdbd6ddd95102c5a2c6aeb89473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b356f0d7022f7fef702647f964a1f6099eb4b6f875bec014570f2b6503db92a",
    "cross_cats_sorted": [
      "hep-lat",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-04-24T19:10:45Z",
    "title_canon_sha256": "2aafe88dc0f3bf37e33eb107f97d8777d455e1694262a60ccf2b9e2211fa92aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06601",
    "kind": "arxiv",
    "version": 2
  }
}